Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:kanku:perl/15.6/devel:kanku:perl.repo
zypper refresh
zypper install perl-kanku-IO-Compress
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:kanku:perl/15.5/devel:kanku:perl.repo
zypper refresh
zypper install perl-kanku-IO-Compress
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:kanku:perl/15.4/devel:kanku:perl.repo
zypper refresh
zypper install perl-kanku-IO-Compress